Finding the Fourth Proportional to 598,839.21, 898,137.34 and 219,630.84
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Solution
The fourth proportional to 598,839.21, 898,137.34 and 219,630.84 is: 329,401.71
Step by Step Solution
- Step 1: Write the proportion equation
598,839.21 : 898,137.34 = 219,630.84 : x - Step 2: Convert to fraction form
598,839.21/898,137.34 = 219,630.84/x - Step 3: Cross multiply
598,839.21x = 898,137.34 × 219,630.84 - Step 4: Simplify right side
598,839.21x = 197,258,660,172.21 - Step 5: Solve for x
x = 197,258,660,172.21/598,839.21 - Step 6: Final answer
x = 329,401.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.